| 例句 |
food chainnoun a series of types of living things in which each one uses the next lower member of the series as a source of foodSharks eat fish that are lower in the food chain. animals that are at the top of the food chain grouping, hierarchy, stratificationcaste, class, estate, folk, gentry, order, stratumbracket, echelon, grade, layer, level, tierplace, position, rank, standing, statussubcaste in 1920 |